Proto-Germanic *ferþuz

→ English fjord (mention)

→ English firth (mention)

→ Danish fjord (derived)

→ Faroese fjørður (derived)

→ Westrobothnian fjahl (inherited)

→ Icelandic fjörður (derived)

→ Latvian fjords (mention)

→ Norwegian Bokmål fjord (derived)

→ Norwegian Nynorsk fjord (derived)

→ Old Norse fjǫrðr (inherited)

→ Polish fiord (derived)

→ Swedish fjord (inherited)

→ Swedish fjärd (inherited)